How to make a copy of a class instance

Hello I am working on a project in java and i need to do this : Heres the problem(using psuedo class names) MyClass class1; class1.addString("test"); then i would like to create a backup copy of that variable so when i call class1.removeString(); I can access the copy and do class1 = copyVar; and have class1.getString() still equal to "test" Sorry I know this is a noob question never really learned how to do this
Possibly related: stackoverflow.com/q/2156120/1065197

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